21080102018

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1\times {\mathrm{108967}}^1$

素因数の和:109657

約数の個数: 16

約数和(自身を含む): 31845680064

約数和(自身を除く): 10765578046

約数列:

[1, 2, 197, 394, 491, 982, 96727, 108967, 193454, 217934, 21466499, 42932998, 53502797, 107005594, 10540051009, 21080102018]

約数ペア:

[(1, 21080102018), (2, 10540051009), (197, 107005594), (394, 53502797), (491, 42932998), (982, 21466499), (96727, 217934), (108967, 193454)]